/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.util;

import java.util.ArrayList;
import java.util.List;

import net.minecraft.block.Block;
import net.minecraft.block.BlockAir;
import net.minecraft.item.ItemStack;

public class InWorldToolOperationResult {

    private final ItemStack BlockItem;
    private final List<ItemStack> Drops;

    public InWorldToolOperationResult() {
        this.BlockItem = null;
        this.Drops = null;
    }

    public InWorldToolOperationResult(final ItemStack block, final List<ItemStack> drops) {
        this.BlockItem = block;
        this.Drops = drops;
    }

    public InWorldToolOperationResult(final ItemStack block) {
        this.BlockItem = block;
        this.Drops = null;
    }

    public static InWorldToolOperationResult getBlockOperationResult(final ItemStack[] items) {
        final List<ItemStack> temp = new ArrayList<>();
        ItemStack b = null;

        for (final ItemStack l : items) {
            if (b == null) {
                final Block bl = Block.getBlockFromItem(l.getItem());

                if (bl != null && !(bl instanceof BlockAir)) {
                    b = l;
                    continue;
                }
            }

            temp.add(l);
        }

        return new InWorldToolOperationResult(b, temp);
    }

    public ItemStack getBlockItem() {
        return this.BlockItem;
    }

    public List<ItemStack> getDrops() {
        return this.Drops;
    }
}
